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authorJan Beulich <JBeulich@novell.com>2011-02-17 15:51:40 +0000
committerIngo Molnar <mingo@elte.hu>2011-02-18 08:54:05 +0100
commit02ca752e4181e219e243cd61a60dd1da47251f11 (patch)
tree3d236736afb0eba8338d8f161217c77cbc3c7637
parente4cc9f4a207aeb819f358114eb23a04547d4807c (diff)
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x86: Remove die_nmi()
With no caller left, the function and the DIE_NMIWATCHDOG enumerator can both go away. Signed-off-by: Jan Beulich <jbeulich@novell.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Don Zickus <dzickus@redhat.com> LKML-Reference: <4D5D521C0200007800032702@vpn.id2.novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/include/asm/kdebug.h1
-rw-r--r--arch/x86/include/asm/nmi.h1
-rw-r--r--arch/x86/kernel/dumpstack.c25
-rw-r--r--arch/x86/kernel/kgdb.c9
4 files changed, 0 insertions, 36 deletions
diff --git a/arch/x86/include/asm/kdebug.h b/arch/x86/include/asm/kdebug.h
index ca242d35e873..518bbbb9ee59 100644
--- a/arch/x86/include/asm/kdebug.h
+++ b/arch/x86/include/asm/kdebug.h
@@ -13,7 +13,6 @@ enum die_val {
DIE_PANIC,
DIE_NMI,
DIE_DIE,
- DIE_NMIWATCHDOG,
DIE_KERNELDEBUG,
DIE_TRAP,
DIE_GPF,
diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h
index c76f5b92b840..07f46016d3ff 100644
--- a/arch/x86/include/asm/nmi.h
+++ b/arch/x86/include/asm/nmi.h
@@ -7,7 +7,6 @@
#ifdef CONFIG_X86_LOCAL_APIC
-extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
extern int reserve_perfctr_nmi(unsigned int);
extern void release_perfctr_nmi(unsigned int);
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index df20723a6a1b..220a1c11cfde 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -320,31 +320,6 @@ void die(const char *str, struct pt_regs *regs, long err)
oops_end(flags, regs, sig);
}
-void notrace __kprobes
-die_nmi(char *str, struct pt_regs *regs, int do_panic)
-{
- unsigned long flags;
-
- if (notify_die(DIE_NMIWATCHDOG, str, regs, 0, 2, SIGINT) == NOTIFY_STOP)
- return;
-
- /*
- * We are in trouble anyway, lets at least try
- * to get a message out.
- */
- flags = oops_begin();
- printk(KERN_EMERG "%s", str);
- printk(" on CPU%d, ip %08lx, registers:\n",
- smp_processor_id(), regs->ip);
- show_registers(regs);
- oops_end(flags, regs, 0);
- if (do_panic || panic_on_oops)
- panic("Non maskable interrupt");
- nmi_exit();
- local_irq_enable();
- do_exit(SIGBUS);
-}
-
static int __init oops_setup(char *s)
{
if (!s)
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index a4130005028a..7c64c420a9f6 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -533,15 +533,6 @@ static int __kgdb_notify(struct die_args *args, unsigned long cmd)
}
return NOTIFY_DONE;
- case DIE_NMIWATCHDOG:
- if (atomic_read(&kgdb_active) != -1) {
- /* KGDB CPU roundup: */
- kgdb_nmicallback(raw_smp_processor_id(), regs);
- return NOTIFY_STOP;
- }
- /* Enter debugger: */
- break;
-
case DIE_DEBUG:
if (atomic_read(&kgdb_cpu_doing_single_step) != -1) {
if (user_mode(regs))